/*******************************************************************************
 * Copyright 2017 Bstek
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License.  You may obtain a copy
 * of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations under
 * the License.
 ******************************************************************************/
package com.bstek.ureport.definition;

import java.io.Serializable;
import java.util.List;

import com.bstek.ureport.build.Context;
import com.bstek.ureport.build.paging.HeaderFooter;
import com.bstek.ureport.expression.model.Expression;
import com.bstek.ureport.expression.model.data.ExpressionData;
import com.bstek.ureport.expression.model.data.ObjectExpressionData;
import com.bstek.ureport.expression.model.data.ObjectListExpressionData;
import com.bstek.ureport.utils.StringUtils;
import com.fasterxml.jackson.annotation.JsonIgnore;

/**
 * @author Jacky.gao
 * @since 2017年1月16日
 */
public class HeaderFooterDefinition implements Serializable {
	
	private static final long serialVersionUID = -7239528314017768029L;
	
	private String left;
	
	private String center;
	
	private String right;
	
	private String align;
	
	private String fontFamily = "宋体";
	
	private int fontSize = 10;
	
	private String forecolor = "0,0,0";
	
	private boolean bold;
	
	private boolean italic;
	
	private boolean underline;
	
	private int height = 30;
	
	private int margin = 30;

	@JsonIgnore
	private Expression leftExpression;

	@JsonIgnore
	private Expression centerExpression;
	@JsonIgnore
	private Expression rightExpression;

	public HeaderFooter buildHeaderFooter(int pageIndex, Context context) {
		HeaderFooter hf = new HeaderFooter();
		hf.setBold(bold);
		hf.setFontFamily(fontFamily);
		hf.setFontSize(fontSize);
		hf.setForecolor(forecolor);
		hf.setHeight(height);
		hf.setItalic(italic);
		hf.setUnderline(underline);
		hf.setMargin(margin);
		context.setPageIndex(pageIndex);
		if (leftExpression != null) {
			Object obj = buildExpression(context, leftExpression);
			if (obj != null) {
				hf.setLeft(obj.toString());
			}
		}
		if (centerExpression != null) {
			Object obj = buildExpression(context, centerExpression);
			if (obj != null) {
				hf.setCenter(obj.toString());
			}
		}
		if (rightExpression != null) {
			Object obj = buildExpression(context, rightExpression);
			if (obj != null) {
				hf.setRight(obj.toString());
			}
		}
		if(StringUtils.isNotBlank(align)) {
			hf.setAlign(align);
		}
		return hf;
	}

	private Object buildExpression(Context context, Expression expr) {
		ExpressionData<?> data = expr.execute(context.getRootCell(), context.getRootCell(), context);
		Object obj = null;
		if (data instanceof ObjectExpressionData) {
			obj = ((ObjectExpressionData) data).getData();
		} else if (data instanceof ObjectListExpressionData) {
			ObjectListExpressionData listData = (ObjectListExpressionData) data;
			if (listData != null) {
				List<?> list = listData.getData();
				if (list != null && list.size() > 0) {
					obj = "";
					for (Object o : list) {
						if (o == null) {
							continue;
						}
						if (!obj.equals("")) {
							obj += ",";
						}
						obj += o.toString();
					}
				}
			}
		}
		return obj;
	}

	public String getLeft() {
		return left;
	}

	public void setLeft(String left) {
		this.left = left;
	}

	public String getCenter() {
		return center;
	}

	public void setCenter(String center) {
		this.center = center;
	}

	public String getRight() {
		return right;
	}

	public void setRight(String right) {
		this.right = right;
	}

	public String getFontFamily() {
		return fontFamily;
	}

	public void setFontFamily(String fontFamily) {
		this.fontFamily = fontFamily;
	}

	public int getFontSize() {
		return fontSize;
	}

	public void setFontSize(int fontSize) {
		this.fontSize = fontSize;
	}

	public String getForecolor() {
		return forecolor;
	}

	public void setForecolor(String forecolor) {
		this.forecolor = forecolor;
	}

	public boolean isBold() {
		return bold;
	}

	public void setBold(boolean bold) {
		this.bold = bold;
	}

	public boolean isItalic() {
		return italic;
	}

	public void setItalic(boolean italic) {
		this.italic = italic;
	}

	public boolean isUnderline() {
		return underline;
	}

	public void setUnderline(boolean underline) {
		this.underline = underline;
	}

	public int getHeight() {
		return height;
	}

	public void setHeight(int height) {
		this.height = height;
	}

	public int getMargin() {
		return margin;
	}

	public void setMargin(int margin) {
		this.margin = margin;
	}

	public Expression getLeftExpression() {
		return leftExpression;
	}

	public void setLeftExpression(Expression leftExpression) {
		this.leftExpression = leftExpression;
	}

	public Expression getCenterExpression() {
		return centerExpression;
	}

	public void setCenterExpression(Expression centerExpression) {
		this.centerExpression = centerExpression;
	}

	public Expression getRightExpression() {
		return rightExpression;
	}

	public void setRightExpression(Expression rightExpression) {
		this.rightExpression = rightExpression;
	}

	public String getAlign() {
		return align;
	}

	public void setAlign(String align) {
		this.align = align;
	}
}
